/*
  Copyright © 2011  Vinícius dos Santos Oliveira

  This file is part of Vinipsmaker's HTTP tools.

  Vinipsmaker's HTTP tools is free software: you can redistribute it and/or
  modify it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.

  You should have received a copy of the GNU General Public License along with
  this program.  If not, see <http://www.gnu.org/licenses/>.
  */

#include "iodevicemanager.h"

IODeviceManager::IODeviceManager(QObject *parent) :
    QObject(parent),
    state(EMPTY),
    file(NULL)
{
}

QIODevice * IODeviceManager::fileDevice(const QString &fileName)
{
    if (state != EMPTY)
        clearAll();

    file = new QFile(fileName);
    file->open(QIODevice::ReadOnly);

    state = FILE_DEVICE;
    return file;
}

QIODevice * IODeviceManager::stringDevice(const QString &data)
{
    if (state != EMPTY)
        clearAll();

    stringBuffer.setData(data.toUtf8());

    state = STRING_DEVICE;
    return &stringBuffer;
}

void IODeviceManager::clearAll()
{
    switch (state) {
    case FILE_DEVICE:
        delete file;
        file = NULL;
        break;
    case STRING_DEVICE:
        stringBuffer.setData(QByteArray());
        break;
    case EMPTY:
    default:;
    }

    state = EMPTY;
}
